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Finding the Fourth Proportional to 248,167.98, 372,374.98 and 98,405.06

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Solution

The fourth proportional to 248,167.98, 372,374.98 and 98,405.06 is: 147,656.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,167.98 : 372,374.98 = 98,405.06 : x
  2. Step 2: Convert to fraction form
    248,167.98/372,374.98 = 98,405.06/x
  3. Step 3: Cross multiply
    248,167.98x = 372,374.98 × 98,405.06
  4. Step 4: Simplify right side
    248,167.98x = 36,643,582,249.40
  5. Step 5: Solve for x
    x = 36,643,582,249.40/248,167.98
  6. Step 6: Final answer
    x = 147,656.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.